Custom lithium ion battery

http://www.lithiumion-batterypack.com/
Large Power is a Chinese high-tech enterprises which dedicated to the R&D, manufacture and sales of rechargeable lithium ion battery packs.Large Power is committed to serve global portable power bank ,storage energy battery pack,power battery pack ,backup battery pack ,special usage battery users. During 15 years development, Large Power has become a world’s leading supplier of lithium ion battery pack.